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Using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk.
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Using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk.

User Referscus
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Sodium chloride because it contains the most reactive metal(sodium) and most reactive non-metal(chlorine).
User Gary Russell
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